1 //===- unittest/ASTMatchers/Dynamic/RegistryTest.cpp - Registry unit tests -===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===-----------------------------------------------------------------------===// 9 10 #include <vector> 11 12 #include "../ASTMatchersTest.h" 13 #include "clang/ASTMatchers/Dynamic/Registry.h" 14 #include "gtest/gtest.h" 15 16 namespace clang { 17 namespace ast_matchers { 18 namespace dynamic { 19 namespace { 20 21 using ast_matchers::internal::Matcher; 22 23 DynTypedMatcher *constructMatcher(StringRef MatcherName, Diagnostics *Error) { 24 const std::vector<ParserValue> Args; 25 return Registry::constructMatcher(MatcherName, SourceRange(), Args, Error); 26 } 27 28 DynTypedMatcher *constructMatcher(StringRef MatcherName, 29 const VariantValue &Arg1, 30 Diagnostics *Error) { 31 std::vector<ParserValue> Args(1); 32 Args[0].Value = Arg1; 33 return Registry::constructMatcher(MatcherName, SourceRange(), Args, Error); 34 } 35 36 DynTypedMatcher *constructMatcher(StringRef MatcherName, 37 const VariantValue &Arg1, 38 const VariantValue &Arg2, 39 Diagnostics *Error) { 40 std::vector<ParserValue> Args(2); 41 Args[0].Value = Arg1; 42 Args[1].Value = Arg2; 43 return Registry::constructMatcher(MatcherName, SourceRange(), Args, Error); 44 } 45 46 TEST(RegistryTest, CanConstructNoArgs) { 47 OwningPtr<DynTypedMatcher> IsArrowValue(constructMatcher("isArrow", NULL)); 48 OwningPtr<DynTypedMatcher> BoolValue(constructMatcher("boolLiteral", NULL)); 49 50 const std::string ClassSnippet = "struct Foo { int x; };\n" 51 "Foo *foo = new Foo;\n" 52 "int i = foo->x;\n"; 53 const std::string BoolSnippet = "bool Foo = true;\n"; 54 55 EXPECT_TRUE(matchesDynamic(ClassSnippet, *IsArrowValue)); 56 EXPECT_TRUE(matchesDynamic(BoolSnippet, *BoolValue)); 57 EXPECT_FALSE(matchesDynamic(ClassSnippet, *BoolValue)); 58 EXPECT_FALSE(matchesDynamic(BoolSnippet, *IsArrowValue)); 59 } 60 61 TEST(RegistryTest, ConstructWithSimpleArgs) { 62 OwningPtr<DynTypedMatcher> Value( 63 constructMatcher("hasName", std::string("X"), NULL)); 64 EXPECT_TRUE(matchesDynamic("class X {};", *Value)); 65 EXPECT_FALSE(matchesDynamic("int x;", *Value)); 66 } 67 68 TEST(RegistryTest, ConstructWithMatcherArgs) { 69 OwningPtr<DynTypedMatcher> HasInitializerSimple( 70 constructMatcher("hasInitializer", stmt(), NULL)); 71 OwningPtr<DynTypedMatcher> HasInitializerComplex( 72 constructMatcher("hasInitializer", callExpr(), NULL)); 73 74 std::string code = "int i;"; 75 EXPECT_FALSE(matchesDynamic(code, *HasInitializerSimple)); 76 EXPECT_FALSE(matchesDynamic(code, *HasInitializerComplex)); 77 78 code = "int i = 1;"; 79 EXPECT_TRUE(matchesDynamic(code, *HasInitializerSimple)); 80 EXPECT_FALSE(matchesDynamic(code, *HasInitializerComplex)); 81 82 code = "int y(); int i = y();"; 83 EXPECT_TRUE(matchesDynamic(code, *HasInitializerSimple)); 84 EXPECT_TRUE(matchesDynamic(code, *HasInitializerComplex)); 85 } 86 87 TEST(RegistryTest, Errors) { 88 // Incorrect argument count. 89 OwningPtr<Diagnostics> Error(new Diagnostics()); 90 EXPECT_TRUE(NULL == constructMatcher("hasInitializer", Error.get())); 91 EXPECT_EQ("Incorrect argument count. (Expected = 1) != (Actual = 0)", 92 Error->ToString()); 93 Error.reset(new Diagnostics()); 94 EXPECT_TRUE(NULL == constructMatcher("isArrow", std::string(), Error.get())); 95 EXPECT_EQ("Incorrect argument count. (Expected = 0) != (Actual = 1)", 96 Error->ToString()); 97 98 // Bad argument type 99 Error.reset(new Diagnostics()); 100 EXPECT_TRUE(NULL == constructMatcher("ofClass", std::string(), Error.get())); 101 EXPECT_EQ("Incorrect type on function ofClass for arg 1.", Error->ToString()); 102 Error.reset(new Diagnostics()); 103 EXPECT_TRUE(NULL == constructMatcher("recordDecl", recordDecl(), 104 ::std::string(), Error.get())); 105 EXPECT_EQ("Incorrect type on function recordDecl for arg 2.", 106 Error->ToString()); 107 } 108 109 } // end anonymous namespace 110 } // end namespace dynamic 111 } // end namespace ast_matchers 112 } // end namespace clang 113